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Second, the operation steps 1, bending his arms into the shoulder strap.
2. Grasp the gas cylinder bracket with both hands and slowly lift the gas cylinder over your head and behind your back.
3, tighten the shoulder strap, fixed belt.
4. Put a long neck strap on the mask around the neck, and the mask will lie on your chest.
5. Wear the top cover from the bottom up.
6. Tighten the mask strap, block the air intake with your hand and breathe hard and check the airtightness of the mask.
7, open the cylinder valve, suction valve and mask butt.
8, normal use.
9, after use, remove the respirator, close the valve, rinse with clean water into the package box.
Cautions 1. Positive pressure air respirator and its parts should avoid direct sunlight to avoid rubber aging.
2. There is a direct relationship between the respirator and the human respiratory organs and it is required to keep it clean. Place the device in a clean place so as not to harm your health.
3, air respirator is prohibited from contaminating grease.
4, the storage room temperature should be maintained at +5 ----30 degrees Celsius, relative humidity 40-80%, respirator heating equipment not less than 1.5 meters, the air should not contain corrosive acid and alkaline gases or Salt fog.
5. Rubber products should not be used for a long period of time. A layer of talcum powder should be applied. After use, it should be washed with clean water and placed in a respirator box. This can increase the service life.
6, gas cylinder gas should be selected dry, clean gas source.
Wear and use 1. Put a cylinder on the back and place the cylinder valve back on the cylinder. By pulling on the free end of the shoulder strap, adjust the upper and lower position of the cylinder and tighten it until it feels comfortable.
2. Fasten the belt. Insert the male buckle into the female buckle. Then tighten the retractable straps on the left and right sides to ensure that they are fastened.
3. Put on the mask Put the top five straps of the mask on loose, put the mask on the user's face, and then pull the headband from the top to the back of the head, pull it down, and put the mask on the head from top to bottom on. Adjust the position of the mask so that the chin is in the concave shape below the mask. Tighten the two neck straps at the lower end first, then tighten the two head straps at the upper end and the top strap. If you feel uncomfortable, adjust the elasticity of the head strap.
4. Mask seal Press and hold the mask interface by hand and check whether the mask seal is good by suction. Take a deep breath. At this time, both sides of the mask should move toward the human face. The human body feels difficulty in breathing, indicating that the mask is airtight, otherwise tighten the headband or wear the mask again.
5. Install the air supply valve. Align the connector on the air supply valve with the mask socket and push it up. When you hear a click, the installation is complete.
6, check the performance of the instrument to fully open the cylinder valve, this time, should be able to hear the alarm whistle alarm sound, otherwise, the alarm whistle or gas inside the cylinder without gas. Observe the pressure gauge reading at the same time. Cylinder pressure should not be less than 28MPa, through several deep breaths check the performance of the air valve, breath and inhalation should be comfortable, no discomfort.
Air respirator use, positive pressure air respirator operation
I. Preparation 1. Check the respirator's inflation pressure 2. Check the alarm 3. Adjust the tightness of the shoulders